GLK-Class (X204) Produced 2008-2014

GLK 250 115v rear outlet help

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Old 12-11-2021, 03:34 PM
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2013 GLK 250 Bluetec
GLK 250 115v REAR OUTLET HELP!

Hello all,
my 115v rear outlet stopped working after plugging in something with too much voltage. Does anyone know of a reset/relay switch? I've checked all related fuses and they are intact. Thanks in advance.

Last edited by JoeyP; 12-24-2021 at 11:48 AM. Reason: No responses
Old 12-11-2021, 07:14 PM
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Old 12-28-2021, 02:36 PM
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It will usually reset its self if you unplug what ever in plugged in turn the key off and removing it from the ignition switch! wait a few mins and start the suv backup, you will see the green light glowing again over the outlet. The outlet has a very low wattage rating. I have a Wi-Fi device plugged into mine I've tried other things suck as laptop etc none of them will charge
Old 12-28-2021, 07:57 PM
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Originally Posted by thegladiator
It will usually reset its self if you unplug what ever in plugged in turn the key off and removing it from the ignition switch! wait a few mins and start the suv backup, you will see the green light glowing again over the outlet. The outlet has a very low wattage rating. I have a Wi-Fi device plugged into mine I've tried other things suck as laptop etc none of them will charge
Thank you but I have turned it off and on several times since the plug tripped. Wondering if I would just need to replace the outlet.
Old 12-30-2021, 10:36 AM
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I believe there are two fuses, one feeds a circuit to tell the inverter when to be available, and the second to supply power for the inverter itself. There is no manual reset. (I have the complete setup sitting on a bench because I intend to add 12V and 120volt power to by bare bones GLK.) If it isn't a fuse, then I suspect the inverter is toast. What exactly did you plug into it? "Something with too much voltage" doesn't make sense.
Old 01-03-2022, 08:52 AM
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I plugged in circular saw. Too much wattage? Just started pricing out inverters. Thanks for your help!
Old 01-03-2022, 08:55 AM
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Do you think I could just purchase the inverter control module unit? The plug itself is probably fine right?
Thanks again!
Old 01-03-2022, 09:56 AM
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Originally Posted by JoeyP
I plugged in circular saw. Too much wattage? Just started pricing out inverters. Thanks for your help!
Good Lord yes :-) The start-up current draw on a motor like that is two or three times the current draw when it is running and just the current it draws when it is running is likely WAY WAY too much for the module.

I have a small 120 volt air freshener (with the little glass bottle) that stays plugged in to mine. You know, the kind that plugs into a wall outlet in the house :-)

Last edited by MBKLUE; 01-03-2022 at 10:07 AM.
Old 01-03-2022, 10:08 AM
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Originally Posted by JoeyP
Do you think I could just purchase the inverter control module unit?
Circular saw = too much current.

The inverter is behind the side panel near the plug. I didn't look inside to see if there was a fuse or anything. Did you confirm the big fuse in the panel in the spare tire well is good? Do you have any indicator light on the outlet itself?

You (like I) can probably find an inverter at a junk yard. It's an easy swap once you get the panel out.
Old 01-04-2022, 09:35 AM
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I agree with JohnCC, most likely the fuse popped thus protecting the rest of the system.

Check the fuses first before you spend money on parts.
Old 01-04-2022, 09:58 AM
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Old 01-04-2022, 10:53 AM
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The operator's manual states that the connected device should draw less than 150 watts. It also mentions that devices that consume more power than that at start up, which I previously alluded to, will not operate. A circular saw will easily consume 1000 to 2000 watts and maybe more depending on blade size/motor size. I certainly suspect some safety device has been "triggered" such as a fuse. Otherwise you're asking for a possible fire. Merc. ain't gonna allow that.

Last edited by MBKLUE; 01-04-2022 at 10:59 AM.

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